CVE-2020-15936 json
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.1…
published 2022-03-01 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7907
- cvss
- 2.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose sensitive information via SNI Client Hello TLS packets.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.6 | CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X |
| CNA | 3.1 | 2.6 | CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N |
| NVD | 3.1 | 4.5 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Fortinet Fortinet FortiOS
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
fortiguard.com
/advisory/FG-IR-20-091
vendor-advisory
Sources
- CVE List CVE-2020-15936
- NVD CVE-2020-15936
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